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CVE-2023-32700

7.8 · HIGH

LuaTeX before 1.17.0 allows execution of arbitrary shell commands when compiling a TeX file obtained from an untrusted source.

Published May 20, 2023CWE-77EPSS 0.80%

Overview

CVE-2023-32700 is a high-severity vulnerability. It was published on May 20, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

LuaTeX before 1.17.0 allows execution of arbitrary shell commands when compiling a TeX file obtained from an untrusted source. This occurs because luatex-core.lua lets the original io.popen be accessed. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/TeX-Live/texlive-source/releases/tag/build-svn66984Refgitlab.lisn.upsaclay.fr/texlive/luatex/-/tags/1.17.0Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLY43MIRONJSJVNBDFQHQ26MP3JIOB3H/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TF6YXUUFRGBIXIIIEV5SGBJXXT2SMUK5/Reftug.org/pipermail/tex-live/2023-May/049188.htmlReftug.org/~mseven/luatex.htmlGitHubgithub.com/TeX-Live/texlive-source/releases/tag/build-svn66984Refgitlab.lisn.upsaclay.fr/texlive/luatex/-/tags/1.17.0Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLY43MIRONJSJVNBDFQHQ26MP3JIOB3H/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TF6YXUUFRGBIXIIIEV5SGBJXXT2SMUK5/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-32700?

CVE-2023-32700 is a high-severity vulnerability. It was published on May 20, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-32700?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-32700?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-32700?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-32700 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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